package tools.chapter22;

import java.util.concurrent.*;

/**
 * @author Kevin
 * @date 2020/4/11 19:58
 */
public class ExtThreadPool {
    public static class MyTask implements Runnable {
        public  String name;

        public MyTask(String name) {
            this.name = name;
        }

        @Override
        public void run() {
            System.out.println("正在执行" + "Thread ID:" + Thread.currentThread().getId() + "，TaskName=" + Thread.currentThread().getName());
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) throws InterruptedException {
        ExecutorService es = new ThreadPoolExecutor(5, 5, 0L, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>()){
            @Override
            protected void beforeExecute(Thread t, Runnable r) {
                System.out.println("准备执行：" + ((MyTask)r).name);
            }
            @Override
            protected  void afterExecute(Runnable r, Throwable t) {
                System.out.println("执行完成：" + ((MyTask)r).name);
            }
            @Override
            protected void terminated() {
                System.out.println("线程池退出");
            }
        };
        for (int i = 0; i < 5; i++) {
            MyTask task = new MyTask("TASK-GEYM-" + i);
            es.execute(task);
            Thread.sleep(10);
        }
        es.shutdown();
    }
}
